JIRA does not export things in MS Project format. As far as I know, MS Project does not have any code for reading JIRA data.
So yes, it is possible to do it without the connector add-on from the marketplace, but you're going to have to write the code to do it in one of the two applications. (Or find an alternative to the Connector)
In the past, Portfolio for Jira required a high degree of detail–foresight that was unrealistic for many businesses to have–in order to produce a reliable long-term roadmap. We're tur...
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